308550 35
Performance Chart
0
20
40
60
80
100
120
0 30 60 90 120 150
TEST CONDITIONS
Pump tested in water with PTFE diaphragm and inlet
submerged.
(114)
(0.28, 2.8)
(0.14, 1.4)
(0.42, 4.2)
KEY FLUID PRESSURE AND FLOW
SCFM AIR CONSUMPTION
Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head:
To supply 60 gpm (227 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) re-
quires approximately 60 scfm (1.68 m#/min) air consumption at 70 psi (0.48 MPa, 4.8 bar) inlet air pressure.
FLUID FLOW GPM (lpm)
psi
(MPa, bar)
feet
(meters)
280
(85.3)
240
(73.2)
200
(61.0)
160
(48.8)
120
(36.6)
80
(24.4)
40
(12.2)
0
(0.56, 5.6)
(0.7, 7)
(0.8, 8) INLET AIR PRESSURES
A120 psi air (0.8 MPa, 8 bar)
B100 psi air (0.7 MPa, 7 bar)
C70 psi air (0.48 MPa, 4.8 bar)
D40 psi air (0.28 MPa, 2.8 bar)
A
B
C
D
E
F
G
H
AIR CONSUMPTION
E25 scfm (0.70 m#/min)
F50 scfm (1.40 m#/min)
G75 scfm (2.10 m#/min)
H100 scfm (2.80 m#/min)
(227) (341) (568)(454)